Question Completion Status: The average annual salary of employees at Wintertime Sports was u = $31,690 last year. This year the company opened another store. Suppose a random sample of 18 employees had an average annual salary of x = $29,100. Assume annual salaries are normally distributed and = $5230. Use a 5% level of significance to test the claim that the average annual salary for all employees is now less than last year's average annual salary mportant: The following questions are all multiple choice. Fill-in-the-blank with the letter corresponding to your answer choice Step 1: Select the correct the null and alternative hypotheses. Type the letter of your answer choice here: (Recall: H1 is another way to write the alternative hypothesis.) (a) Ho: x= 29,100; H1: P